Nilfisk-ALTO ATTIX 791-2M/B1 operating instructions Troubleshooting, Fault, Cause, Remedy

ATTIX 791-2M/B1

8 Troubleshooting

	Fault		Cause		Remedy
‡ Motor does not start		>	Fuse of the mains socket has	•	Connect mains fuse.
			blown.
		>	Overload protection switch	• Switch off the vacuum cleaner
			has tripped.		and allow it to cool for approx.
					5 minutes. If the cleaner can-
					not be started again, contact
					the Nilfisk-Alto service depart-
					ment.
‡ Motor does not run in auto-		>	Power tool is defective or not	• Check that the power tool
	matic mode		connected properly.		works or that the plug is in-
					serted correctly.
		> The power rating of the elec-		• Note that minimum power rat-
			trical tool is too low.		ing is P>40W
‡	The acoustic warning	>	Suction power selected with	• Set suction power in accord-
	sounds. (Reduced suction		suction power control is too		ance with section 4.2.3. „Set-
	power)		low.		ting suction power“.
		> Hose diameter and switch		• Set correct switch position for
			position do not correspond.		hose diameter.
		>	Clogged suction hose/nozzle.	•	Clean suction hose/nozzle
		> Filter bag is full.		• See section 7.2.2 „Replacing
					filter bag“.
		> Filter element is clogged.		• See section 4.5/4.6 „Cleaning
					filter element“ and 7.2.5/7.2.6
					„Replacing filter element“.
‡ No suction power during		>	Tank is full. (Float does not	• Switch off the cleaner. Empty
	wet cleaning		close the suction opening).		the tank.
‡	The vacuum cleaner	>	Tank is full.	• Switch off the cleaner. Empty
	switches off during wet				the tank.
	cleaning
‡	Voltage fluctuations	>	Impedance of power supply is	• Connect the cleaner to an-
			too high.		other socket closer to the fuse
					box. Voltage fluctuations over
					7% should not occur if the im-
					pedance at the transfer point
					is ≤ 0.15 Ω .

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